// Copyright 2014 PDFium Authors. All rights reserved. | |
// Use of this source code is governed by a BSD-style license that can be | |
// found in the LICENSE file. | |
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | |
// Original code is licensed as follows: | |
/* | |
* Copyright 2008 ZXing authors | |
* | |
* Licensed under the Apache License, Version 2.0 (the "License"); | |
* you may not use this file except in compliance with the License. | |
* You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, software | |
* distributed under the License is distributed on an "AS IS" BASIS, | |
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
* See the License for the specific language governing permissions and | |
* limitations under the License. | |
*/ | |
#include "../barcode.h" | |
#include "BC_CommonByteArray.h" | |
CBC_CommonByteArray::CBC_CommonByteArray() | |
{ | |
m_bytes = NULL; | |
m_size = 0; | |
m_index = 0; | |
} | |
CBC_CommonByteArray::CBC_CommonByteArray(FX_INT32 size) | |
{ | |
m_size = size; | |
m_bytes = FX_Alloc(FX_BYTE, size); | |
FXSYS_memset32(m_bytes, 0, size); | |
m_index = 0; | |
} | |
CBC_CommonByteArray::CBC_CommonByteArray(FX_BYTE* byteArray, FX_INT32 size) | |
{ | |
m_size = size; | |
m_bytes = FX_Alloc(FX_BYTE, size); | |
FXSYS_memcpy32(m_bytes, byteArray, size); | |
m_index = size; | |
} | |
CBC_CommonByteArray::~CBC_CommonByteArray() | |
{ | |
if ( m_bytes != NULL) { | |
FX_Free( m_bytes ); | |
m_bytes = NULL; | |
} | |
m_index = 0; | |
m_size = 0; | |
} | |
FX_INT32 CBC_CommonByteArray::At(FX_INT32 index) | |
{ | |
return m_bytes[index] & 0xff; | |
} | |
void CBC_CommonByteArray::Set(FX_INT32 index, FX_INT32 value) | |
{ | |
m_bytes[index] = (FX_BYTE) value; | |
} | |
FX_INT32 CBC_CommonByteArray::Size() | |
{ | |
return m_size; | |
} | |
FX_BOOL CBC_CommonByteArray::IsEmpty() | |
{ | |
return m_size == 0; | |
} | |
void CBC_CommonByteArray::AppendByte(FX_INT32 value) | |
{ | |
if (m_size == 0 || m_index >= m_size) { | |
FX_INT32 newSize = FX_MAX(32, m_size << 1); | |
Reserve(newSize); | |
} | |
m_bytes[m_index] = (FX_BYTE)value; | |
m_index++; | |
} | |
void CBC_CommonByteArray::Reserve(FX_INT32 capacity) | |
{ | |
if (m_bytes == NULL || m_size < capacity) { | |
FX_BYTE *newArray = FX_Alloc(FX_BYTE, capacity); | |
FXSYS_memset32(newArray, 0, capacity); | |
if (m_bytes != NULL) { | |
FXSYS_memcpy32(newArray, m_bytes, m_size); | |
FX_Free( m_bytes ); | |
} | |
m_bytes = newArray; | |
m_size = capacity; | |
} | |
} | |
void CBC_CommonByteArray::Set(FX_BYTE* source, FX_INT32 offset, FX_INT32 count) | |
{ | |
if (m_bytes != NULL) { | |
FX_Free( m_bytes ); | |
} | |
m_bytes = FX_Alloc(FX_BYTE, count); | |
m_size = count; | |
FXSYS_memcpy32(m_bytes, source + offset, count); | |
m_index = count; | |
} | |
void CBC_CommonByteArray::Set(CFX_ByteArray* source, FX_INT32 offset, FX_INT32 count) | |
{ | |
if (m_bytes != NULL) { | |
FX_Free( m_bytes ); | |
} | |
m_bytes = FX_Alloc(FX_BYTE, count); | |
m_size = count; | |
FX_INT32 i; | |
for(i = 0; i < count; i++) { | |
m_bytes[i] = source->operator [](i + offset); | |
} | |
m_index = m_size; | |
} |